/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation and was
 * originally based on software copyright (c) 1999, International
 * Business Machines, Inc., http://www.apache.org.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

package org.apache.jasper.xmlparser;

import java.util.Hashtable;

/**
 * EncodingMap is a convenience class which handles conversions between IANA
 * encoding names and Java encoding names, and vice versa. The encoding names
 * used in XML instance documents <strong>must</strong> be the IANA encoding
 * names specified or one of the aliases for those names which IANA defines.
 * <p>
 * <TABLE BORDER="0" WIDTH="100%">
 * <TR>
 * <TD WIDTH="33%">
 * <P ALIGN="CENTER">
 * <B>Common Name</B> </TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * <B>Use this name in XML files</B> </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * <B>Name Type</B> </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * <B>Xerces converts to this Java Encoder Name</B> </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">8 bit Unicode</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * UTF-8 </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * IANA </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * UTF8 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">ISO Latin 1</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ISO-8859-1 </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * MIME </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * ISO-8859-1 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">ISO Latin 2</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ISO-8859-2 </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * MIME </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * ISO-8859-2 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">ISO Latin 3</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ISO-8859-3 </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * MIME </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * ISO-8859-3 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">ISO Latin 4</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ISO-8859-4 </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * MIME </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * ISO-8859-4 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">ISO Latin Cyrillic</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ISO-8859-5 </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * MIME </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * ISO-8859-5 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">ISO Latin Arabic</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ISO-8859-6 </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * MIME </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * ISO-8859-6 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">ISO Latin Greek</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ISO-8859-7 </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * MIME </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * ISO-8859-7 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">ISO Latin Hebrew</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ISO-8859-8 </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * MIME </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * ISO-8859-8 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">ISO Latin 5</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ISO-8859-9 </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * MIME </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * ISO-8859-9 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">EBCDIC: US</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ebcdic-cp-us </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * IANA </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * cp037 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">EBCDIC: Canada</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ebcdic-cp-ca </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * IANA </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * cp037 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">EBCDIC: Netherlands</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ebcdic-cp-nl </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * IANA </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * cp037 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">EBCDIC: Denmark</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ebcdic-cp-dk </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * IANA </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * cp277 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">EBCDIC: Norway</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ebcdic-cp-no </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * IANA </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * cp277 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">EBCDIC: Finland</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ebcdic-cp-fi </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * IANA </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * cp278 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">EBCDIC: Sweden</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ebcdic-cp-se </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * IANA </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * cp278 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">EBCDIC: Italy</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ebcdic-cp-it </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * IANA </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * cp280 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">EBCDIC: Spain, Latin America</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ebcdic-cp-es </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * IANA </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * cp284 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">EBCDIC: Great Britain</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ebcdic-cp-gb </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * IANA </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * cp285 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">EBCDIC: France</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ebcdic-cp-fr </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * IANA </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * cp297 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">EBCDIC: Arabic</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ebcdic-cp-ar1 </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * IANA </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * cp420 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">EBCDIC: Hebrew</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ebcdic-cp-he </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * IANA </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * cp424 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">EBCDIC: Switzerland</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ebcdic-cp-ch </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * IANA </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * cp500 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">EBCDIC: Roece</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ebcdic-cp-roece </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * IANA </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * cp870 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">EBCDIC: Yugoslavia</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ebcdic-cp-yu </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * IANA </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * cp870 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">EBCDIC: Iceland</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ebcdic-cp-is </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * IANA </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * cp871 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">EBCDIC: Urdu</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * ebcdic-cp-ar2 </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * IANA </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * cp918 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">Chinese for PRC, mixed 1/2 byte</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * gb2312 </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * MIME </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * GB2312 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">Extended Unix Code, packed for Japanese</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * euc-jp </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * MIME </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * eucjis </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">Japanese: iso-2022-jp</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * iso-2020-jp </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * MIME </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * JIS </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">Japanese: Shift JIS</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * Shift_JIS </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * MIME </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * SJIS </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">Chinese: Big5</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * Big5 </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * MIME </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * Big5 </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">Extended Unix Code, packed for Korean</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * euc-kr </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * MIME </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * iso2022kr </TD>
 * </TR>
 * <TR>
 * <TD WIDTH="33%">Cyrillic</TD>
 * <TD WIDTH="15%">
 * <P ALIGN="CENTER">
 * koi8-r </TD>
 * <TD WIDTH="12%">
 * <P ALIGN="CENTER">
 * MIME </TD>
 * <TD WIDTH="31%">
 * <P ALIGN="CENTER">
 * koi8-r </TD>
 * </TR>
 * </TABLE>
 * 
 * @author TAMURA Kent, IBM
 * @author Andy Clark, IBM
 * 
 * @version $Id: EncodingMap.java 467222 2006-10-24 03:17:11Z markt $
 */
public class EncodingMap {

	//
	// Data
	//

	/** fIANA2JavaMap */
	protected final static Hashtable fIANA2JavaMap = new Hashtable();

	/** fJava2IANAMap */
	protected final static Hashtable fJava2IANAMap = new Hashtable();

	//
	// Static initialization
	//

	static {

		// add IANA to Java encoding mappings.
		fIANA2JavaMap.put("BIG5", "Big5");
		fIANA2JavaMap.put("CSBIG5", "Big5");
		fIANA2JavaMap.put("CP037", "CP037");
		fIANA2JavaMap.put("IBM037", "CP037");
		fIANA2JavaMap.put("CSIBM037", "CP037");
		fIANA2JavaMap.put("EBCDIC-CP-US", "CP037");
		fIANA2JavaMap.put("EBCDIC-CP-CA", "CP037");
		fIANA2JavaMap.put("EBCDIC-CP-NL", "CP037");
		fIANA2JavaMap.put("EBCDIC-CP-WT", "CP037");
		fIANA2JavaMap.put("IBM273", "CP273");
		fIANA2JavaMap.put("CP273", "CP273");
		fIANA2JavaMap.put("CSIBM273", "CP273");
		fIANA2JavaMap.put("IBM277", "CP277");
		fIANA2JavaMap.put("CP277", "CP277");
		fIANA2JavaMap.put("CSIBM277", "CP277");
		fIANA2JavaMap.put("EBCDIC-CP-DK", "CP277");
		fIANA2JavaMap.put("EBCDIC-CP-NO", "CP277");
		fIANA2JavaMap.put("IBM278", "CP278");
		fIANA2JavaMap.put("CP278", "CP278");
		fIANA2JavaMap.put("CSIBM278", "CP278");
		fIANA2JavaMap.put("EBCDIC-CP-FI", "CP278");
		fIANA2JavaMap.put("EBCDIC-CP-SE", "CP278");
		fIANA2JavaMap.put("IBM280", "CP280");
		fIANA2JavaMap.put("CP280", "CP280");
		fIANA2JavaMap.put("CSIBM280", "CP280");
		fIANA2JavaMap.put("EBCDIC-CP-IT", "CP280");
		fIANA2JavaMap.put("IBM284", "CP284");
		fIANA2JavaMap.put("CP284", "CP284");
		fIANA2JavaMap.put("CSIBM284", "CP284");
		fIANA2JavaMap.put("EBCDIC-CP-ES", "CP284");
		fIANA2JavaMap.put("EBCDIC-CP-GB", "CP285");
		fIANA2JavaMap.put("IBM285", "CP285");
		fIANA2JavaMap.put("CP285", "CP285");
		fIANA2JavaMap.put("CSIBM285", "CP285");
		fIANA2JavaMap.put("EBCDIC-JP-KANA", "CP290");
		fIANA2JavaMap.put("IBM290", "CP290");
		fIANA2JavaMap.put("CP290", "CP290");
		fIANA2JavaMap.put("CSIBM290", "CP290");
		fIANA2JavaMap.put("EBCDIC-CP-FR", "CP297");
		fIANA2JavaMap.put("IBM297", "CP297");
		fIANA2JavaMap.put("CP297", "CP297");
		fIANA2JavaMap.put("CSIBM297", "CP297");
		fIANA2JavaMap.put("EBCDIC-CP-AR1", "CP420");
		fIANA2JavaMap.put("IBM420", "CP420");
		fIANA2JavaMap.put("CP420", "CP420");
		fIANA2JavaMap.put("CSIBM420", "CP420");
		fIANA2JavaMap.put("EBCDIC-CP-HE", "CP424");
		fIANA2JavaMap.put("IBM424", "CP424");
		fIANA2JavaMap.put("CP424", "CP424");
		fIANA2JavaMap.put("CSIBM424", "CP424");
		fIANA2JavaMap.put("IBM437", "CP437");
		fIANA2JavaMap.put("437", "CP437");
		fIANA2JavaMap.put("CP437", "CP437");
		fIANA2JavaMap.put("CSPC8CODEPAGE437", "CP437");
		fIANA2JavaMap.put("EBCDIC-CP-CH", "CP500");
		fIANA2JavaMap.put("IBM500", "CP500");
		fIANA2JavaMap.put("CP500", "CP500");
		fIANA2JavaMap.put("CSIBM500", "CP500");
		fIANA2JavaMap.put("EBCDIC-CP-CH", "CP500");
		fIANA2JavaMap.put("EBCDIC-CP-BE", "CP500");
		fIANA2JavaMap.put("IBM775", "CP775");
		fIANA2JavaMap.put("CP775", "CP775");
		fIANA2JavaMap.put("CSPC775BALTIC", "CP775");
		fIANA2JavaMap.put("IBM850", "CP850");
		fIANA2JavaMap.put("850", "CP850");
		fIANA2JavaMap.put("CP850", "CP850");
		fIANA2JavaMap.put("CSPC850MULTILINGUAL", "CP850");
		fIANA2JavaMap.put("IBM852", "CP852");
		fIANA2JavaMap.put("852", "CP852");
		fIANA2JavaMap.put("CP852", "CP852");
		fIANA2JavaMap.put("CSPCP852", "CP852");
		fIANA2JavaMap.put("IBM855", "CP855");
		fIANA2JavaMap.put("855", "CP855");
		fIANA2JavaMap.put("CP855", "CP855");
		fIANA2JavaMap.put("CSIBM855", "CP855");
		fIANA2JavaMap.put("IBM857", "CP857");
		fIANA2JavaMap.put("857", "CP857");
		fIANA2JavaMap.put("CP857", "CP857");
		fIANA2JavaMap.put("CSIBM857", "CP857");
		fIANA2JavaMap.put("IBM00858", "CP858");
		fIANA2JavaMap.put("CP00858", "CP858");
		fIANA2JavaMap.put("CCSID00858", "CP858");
		fIANA2JavaMap.put("IBM860", "CP860");
		fIANA2JavaMap.put("860", "CP860");
		fIANA2JavaMap.put("CP860", "CP860");
		fIANA2JavaMap.put("CSIBM860", "CP860");
		fIANA2JavaMap.put("IBM861", "CP861");
		fIANA2JavaMap.put("861", "CP861");
		fIANA2JavaMap.put("CP861", "CP861");
		fIANA2JavaMap.put("CP-IS", "CP861");
		fIANA2JavaMap.put("CSIBM861", "CP861");
		fIANA2JavaMap.put("IBM862", "CP862");
		fIANA2JavaMap.put("862", "CP862");
		fIANA2JavaMap.put("CP862", "CP862");
		fIANA2JavaMap.put("CSPC862LATINHEBREW", "CP862");
		fIANA2JavaMap.put("IBM863", "CP863");
		fIANA2JavaMap.put("863", "CP863");
		fIANA2JavaMap.put("CP863", "CP863");
		fIANA2JavaMap.put("CSIBM863", "CP863");
		fIANA2JavaMap.put("IBM864", "CP864");
		fIANA2JavaMap.put("CP864", "CP864");
		fIANA2JavaMap.put("CSIBM864", "CP864");
		fIANA2JavaMap.put("IBM865", "CP865");
		fIANA2JavaMap.put("865", "CP865");
		fIANA2JavaMap.put("CP865", "CP865");
		fIANA2JavaMap.put("CSIBM865", "CP865");
		fIANA2JavaMap.put("IBM866", "CP866");
		fIANA2JavaMap.put("866", "CP866");
		fIANA2JavaMap.put("CP866", "CP866");
		fIANA2JavaMap.put("CSIBM866", "CP866");
		fIANA2JavaMap.put("IBM868", "CP868");
		fIANA2JavaMap.put("CP868", "CP868");
		fIANA2JavaMap.put("CSIBM868", "CP868");
		fIANA2JavaMap.put("CP-AR", "CP868");
		fIANA2JavaMap.put("IBM869", "CP869");
		fIANA2JavaMap.put("CP869", "CP869");
		fIANA2JavaMap.put("CSIBM869", "CP869");
		fIANA2JavaMap.put("CP-GR", "CP869");
		fIANA2JavaMap.put("IBM870", "CP870");
		fIANA2JavaMap.put("CP870", "CP870");
		fIANA2JavaMap.put("CSIBM870", "CP870");
		fIANA2JavaMap.put("EBCDIC-CP-ROECE", "CP870");
		fIANA2JavaMap.put("EBCDIC-CP-YU", "CP870");
		fIANA2JavaMap.put("IBM871", "CP871");
		fIANA2JavaMap.put("CP871", "CP871");
		fIANA2JavaMap.put("CSIBM871", "CP871");
		fIANA2JavaMap.put("EBCDIC-CP-IS", "CP871");
		fIANA2JavaMap.put("IBM918", "CP918");
		fIANA2JavaMap.put("CP918", "CP918");
		fIANA2JavaMap.put("CSIBM918", "CP918");
		fIANA2JavaMap.put("EBCDIC-CP-AR2", "CP918");
		fIANA2JavaMap.put("IBM00924", "CP924");
		fIANA2JavaMap.put("CP00924", "CP924");
		fIANA2JavaMap.put("CCSID00924", "CP924");
		// is this an error???
		fIANA2JavaMap.put("EBCDIC-LATIN9--EURO", "CP924");
		fIANA2JavaMap.put("IBM1026", "CP1026");
		fIANA2JavaMap.put("CP1026", "CP1026");
		fIANA2JavaMap.put("CSIBM1026", "CP1026");
		fIANA2JavaMap.put("IBM01140", "Cp1140");
		fIANA2JavaMap.put("CP01140", "Cp1140");
		fIANA2JavaMap.put("CCSID01140", "Cp1140");
		fIANA2JavaMap.put("IBM01141", "Cp1141");
		fIANA2JavaMap.put("CP01141", "Cp1141");
		fIANA2JavaMap.put("CCSID01141", "Cp1141");
		fIANA2JavaMap.put("IBM01142", "Cp1142");
		fIANA2JavaMap.put("CP01142", "Cp1142");
		fIANA2JavaMap.put("CCSID01142", "Cp1142");
		fIANA2JavaMap.put("IBM01143", "Cp1143");
		fIANA2JavaMap.put("CP01143", "Cp1143");
		fIANA2JavaMap.put("CCSID01143", "Cp1143");
		fIANA2JavaMap.put("IBM01144", "Cp1144");
		fIANA2JavaMap.put("CP01144", "Cp1144");
		fIANA2JavaMap.put("CCSID01144", "Cp1144");
		fIANA2JavaMap.put("IBM01145", "Cp1145");
		fIANA2JavaMap.put("CP01145", "Cp1145");
		fIANA2JavaMap.put("CCSID01145", "Cp1145");
		fIANA2JavaMap.put("IBM01146", "Cp1146");
		fIANA2JavaMap.put("CP01146", "Cp1146");
		fIANA2JavaMap.put("CCSID01146", "Cp1146");
		fIANA2JavaMap.put("IBM01147", "Cp1147");
		fIANA2JavaMap.put("CP01147", "Cp1147");
		fIANA2JavaMap.put("CCSID01147", "Cp1147");
		fIANA2JavaMap.put("IBM01148", "Cp1148");
		fIANA2JavaMap.put("CP01148", "Cp1148");
		fIANA2JavaMap.put("CCSID01148", "Cp1148");
		fIANA2JavaMap.put("IBM01149", "Cp1149");
		fIANA2JavaMap.put("CP01149", "Cp1149");
		fIANA2JavaMap.put("CCSID01149", "Cp1149");
		fIANA2JavaMap.put("EUC-JP", "EUCJIS");
		fIANA2JavaMap.put("CSEUCPKDFMTJAPANESE", "EUCJIS");
		fIANA2JavaMap.put("EXTENDED_UNIX_CODE_PACKED_FORMAT_FOR_JAPANESE",
				"EUCJIS");
		fIANA2JavaMap.put("EUC-KR", "KSC5601");
		fIANA2JavaMap.put("CSEUCKR", "KSC5601");
		fIANA2JavaMap.put("KS_C_5601-1987", "KS_C_5601-1987");
		fIANA2JavaMap.put("ISO-IR-149", "KS_C_5601-1987");
		fIANA2JavaMap.put("KS_C_5601-1989", "KS_C_5601-1987");
		fIANA2JavaMap.put("KSC_5601", "KS_C_5601-1987");
		fIANA2JavaMap.put("KOREAN", "KS_C_5601-1987");
		fIANA2JavaMap.put("CSKSC56011987", "KS_C_5601-1987");
		fIANA2JavaMap.put("GB2312", "GB2312");
		fIANA2JavaMap.put("CSGB2312", "GB2312");
		fIANA2JavaMap.put("ISO-2022-JP", "JIS");
		fIANA2JavaMap.put("CSISO2022JP", "JIS");
		fIANA2JavaMap.put("ISO-2022-KR", "ISO2022KR");
		fIANA2JavaMap.put("CSISO2022KR", "ISO2022KR");
		fIANA2JavaMap.put("ISO-2022-CN", "ISO2022CN");

		fIANA2JavaMap.put("X0201", "JIS0201");
		fIANA2JavaMap.put("CSISO13JISC6220JP", "JIS0201");
		fIANA2JavaMap.put("X0208", "JIS0208");
		fIANA2JavaMap.put("ISO-IR-87", "JIS0208");
		fIANA2JavaMap.put("X0208dbiJIS_X0208-1983", "JIS0208");
		fIANA2JavaMap.put("CSISO87JISX0208", "JIS0208");
		fIANA2JavaMap.put("X0212", "JIS0212");
		fIANA2JavaMap.put("ISO-IR-159", "JIS0212");
		fIANA2JavaMap.put("CSISO159JISX02121990", "JIS0212");
		fIANA2JavaMap.put("GB18030", "GB18030");
		fIANA2JavaMap.put("GBK", "GBK");
		fIANA2JavaMap.put("CP936", "GBK");
		fIANA2JavaMap.put("MS936", "GBK");
		fIANA2JavaMap.put("WINDOWS-936", "GBK");
		fIANA2JavaMap.put("SHIFT_JIS", "SJIS");
		fIANA2JavaMap.put("CSSHIFTJIS", "SJIS");
		fIANA2JavaMap.put("MS_KANJI", "SJIS");
		fIANA2JavaMap.put("WINDOWS-31J", "MS932");
		fIANA2JavaMap.put("CSWINDOWS31J", "MS932");

		// Add support for Cp1252 and its friends
		fIANA2JavaMap.put("WINDOWS-1250", "Cp1250");
		fIANA2JavaMap.put("WINDOWS-1251", "Cp1251");
		fIANA2JavaMap.put("WINDOWS-1252", "Cp1252");
		fIANA2JavaMap.put("WINDOWS-1253", "Cp1253");
		fIANA2JavaMap.put("WINDOWS-1254", "Cp1254");
		fIANA2JavaMap.put("WINDOWS-1255", "Cp1255");
		fIANA2JavaMap.put("WINDOWS-1256", "Cp1256");
		fIANA2JavaMap.put("WINDOWS-1257", "Cp1257");
		fIANA2JavaMap.put("WINDOWS-1258", "Cp1258");
		fIANA2JavaMap.put("TIS-620", "TIS620");

		fIANA2JavaMap.put("ISO-8859-1", "ISO8859_1");
		fIANA2JavaMap.put("ISO-IR-100", "ISO8859_1");
		fIANA2JavaMap.put("ISO_8859-1", "ISO8859_1");
		fIANA2JavaMap.put("LATIN1", "ISO8859_1");
		fIANA2JavaMap.put("CSISOLATIN1", "ISO8859_1");
		fIANA2JavaMap.put("L1", "ISO8859_1");
		fIANA2JavaMap.put("IBM819", "ISO8859_1");
		fIANA2JavaMap.put("CP819", "ISO8859_1");

		fIANA2JavaMap.put("ISO-8859-2", "ISO8859_2");
		fIANA2JavaMap.put("ISO-IR-101", "ISO8859_2");
		fIANA2JavaMap.put("ISO_8859-2", "ISO8859_2");
		fIANA2JavaMap.put("LATIN2", "ISO8859_2");
		fIANA2JavaMap.put("CSISOLATIN2", "ISO8859_2");
		fIANA2JavaMap.put("L2", "ISO8859_2");

		fIANA2JavaMap.put("ISO-8859-3", "ISO8859_3");
		fIANA2JavaMap.put("ISO-IR-109", "ISO8859_3");
		fIANA2JavaMap.put("ISO_8859-3", "ISO8859_3");
		fIANA2JavaMap.put("LATIN3", "ISO8859_3");
		fIANA2JavaMap.put("CSISOLATIN3", "ISO8859_3");
		fIANA2JavaMap.put("L3", "ISO8859_3");

		fIANA2JavaMap.put("ISO-8859-4", "ISO8859_4");
		fIANA2JavaMap.put("ISO-IR-110", "ISO8859_4");
		fIANA2JavaMap.put("ISO_8859-4", "ISO8859_4");
		fIANA2JavaMap.put("LATIN4", "ISO8859_4");
		fIANA2JavaMap.put("CSISOLATIN4", "ISO8859_4");
		fIANA2JavaMap.put("L4", "ISO8859_4");

		fIANA2JavaMap.put("ISO-8859-5", "ISO8859_5");
		fIANA2JavaMap.put("ISO-IR-144", "ISO8859_5");
		fIANA2JavaMap.put("ISO_8859-5", "ISO8859_5");
		fIANA2JavaMap.put("CYRILLIC", "ISO8859_5");
		fIANA2JavaMap.put("CSISOLATINCYRILLIC", "ISO8859_5");

		fIANA2JavaMap.put("ISO-8859-6", "ISO8859_6");
		fIANA2JavaMap.put("ISO-IR-127", "ISO8859_6");
		fIANA2JavaMap.put("ISO_8859-6", "ISO8859_6");
		fIANA2JavaMap.put("ECMA-114", "ISO8859_6");
		fIANA2JavaMap.put("ASMO-708", "ISO8859_6");
		fIANA2JavaMap.put("ARABIC", "ISO8859_6");
		fIANA2JavaMap.put("CSISOLATINARABIC", "ISO8859_6");

		fIANA2JavaMap.put("ISO-8859-7", "ISO8859_7");
		fIANA2JavaMap.put("ISO-IR-126", "ISO8859_7");
		fIANA2JavaMap.put("ISO_8859-7", "ISO8859_7");
		fIANA2JavaMap.put("ELOT_928", "ISO8859_7");
		fIANA2JavaMap.put("ECMA-118", "ISO8859_7");
		fIANA2JavaMap.put("GREEK", "ISO8859_7");
		fIANA2JavaMap.put("CSISOLATINGREEK", "ISO8859_7");
		fIANA2JavaMap.put("GREEK8", "ISO8859_7");

		fIANA2JavaMap.put("ISO-8859-8", "ISO8859_8");
		fIANA2JavaMap.put("ISO-8859-8-I", "ISO8859_8"); // added since this
														// encoding only differs
														// w.r.t. presentation
		fIANA2JavaMap.put("ISO-IR-138", "ISO8859_8");
		fIANA2JavaMap.put("ISO_8859-8", "ISO8859_8");
		fIANA2JavaMap.put("HEBREW", "ISO8859_8");
		fIANA2JavaMap.put("CSISOLATINHEBREW", "ISO8859_8");

		fIANA2JavaMap.put("ISO-8859-9", "ISO8859_9");
		fIANA2JavaMap.put("ISO-IR-148", "ISO8859_9");
		fIANA2JavaMap.put("ISO_8859-9", "ISO8859_9");
		fIANA2JavaMap.put("LATIN5", "ISO8859_9");
		fIANA2JavaMap.put("CSISOLATIN5", "ISO8859_9");
		fIANA2JavaMap.put("L5", "ISO8859_9");

		fIANA2JavaMap.put("ISO-8859-13", "ISO8859_13");

		fIANA2JavaMap.put("ISO-8859-15", "ISO8859_15_FDIS");
		fIANA2JavaMap.put("ISO_8859-15", "ISO8859_15_FDIS");
		fIANA2JavaMap.put("LATIN-9", "ISO8859_15_FDIS");

		fIANA2JavaMap.put("KOI8-R", "KOI8_R");
		fIANA2JavaMap.put("CSKOI8R", "KOI8_R");
		fIANA2JavaMap.put("US-ASCII", "ASCII");
		fIANA2JavaMap.put("ISO-IR-6", "ASCII");
		fIANA2JavaMap.put("ANSI_X3.4-1968", "ASCII");
		fIANA2JavaMap.put("ANSI_X3.4-1986", "ASCII");
		fIANA2JavaMap.put("ISO_646.IRV:1991", "ASCII");
		fIANA2JavaMap.put("ASCII", "ASCII");
		fIANA2JavaMap.put("CSASCII", "ASCII");
		fIANA2JavaMap.put("ISO646-US", "ASCII");
		fIANA2JavaMap.put("US", "ASCII");
		fIANA2JavaMap.put("IBM367", "ASCII");
		fIANA2JavaMap.put("CP367", "ASCII");
		fIANA2JavaMap.put("UTF-8", "UTF8");
		fIANA2JavaMap.put("UTF-16", "UTF-16");
		fIANA2JavaMap.put("UTF-16BE", "UnicodeBig");
		fIANA2JavaMap.put("UTF-16LE", "UnicodeLittle");

		// support for 1047, as proposed to be added to the
		// IANA registry in
		// http://lists.w3.org/Archives/Public/ietf-charset/2002JulSep/0049.html
		fIANA2JavaMap.put("IBM-1047", "Cp1047");
		fIANA2JavaMap.put("IBM1047", "Cp1047");
		fIANA2JavaMap.put("CP1047", "Cp1047");

		// Adding new aliases as proposed in
		// http://lists.w3.org/Archives/Public/ietf-charset/2002JulSep/0058.html
		fIANA2JavaMap.put("IBM-37", "CP037");
		fIANA2JavaMap.put("IBM-273", "CP273");
		fIANA2JavaMap.put("IBM-277", "CP277");
		fIANA2JavaMap.put("IBM-278", "CP278");
		fIANA2JavaMap.put("IBM-280", "CP280");
		fIANA2JavaMap.put("IBM-284", "CP284");
		fIANA2JavaMap.put("IBM-285", "CP285");
		fIANA2JavaMap.put("IBM-290", "CP290");
		fIANA2JavaMap.put("IBM-297", "CP297");
		fIANA2JavaMap.put("IBM-420", "CP420");
		fIANA2JavaMap.put("IBM-424", "CP424");
		fIANA2JavaMap.put("IBM-437", "CP437");
		fIANA2JavaMap.put("IBM-500", "CP500");
		fIANA2JavaMap.put("IBM-775", "CP775");
		fIANA2JavaMap.put("IBM-850", "CP850");
		fIANA2JavaMap.put("IBM-852", "CP852");
		fIANA2JavaMap.put("IBM-855", "CP855");
		fIANA2JavaMap.put("IBM-857", "CP857");
		fIANA2JavaMap.put("IBM-858", "CP858");
		fIANA2JavaMap.put("IBM-860", "CP860");
		fIANA2JavaMap.put("IBM-861", "CP861");
		fIANA2JavaMap.put("IBM-862", "CP862");
		fIANA2JavaMap.put("IBM-863", "CP863");
		fIANA2JavaMap.put("IBM-864", "CP864");
		fIANA2JavaMap.put("IBM-865", "CP865");
		fIANA2JavaMap.put("IBM-866", "CP866");
		fIANA2JavaMap.put("IBM-868", "CP868");
		fIANA2JavaMap.put("IBM-869", "CP869");
		fIANA2JavaMap.put("IBM-870", "CP870");
		fIANA2JavaMap.put("IBM-871", "CP871");
		fIANA2JavaMap.put("IBM-918", "CP918");
		fIANA2JavaMap.put("IBM-924", "CP924");
		fIANA2JavaMap.put("IBM-1026", "CP1026");
		fIANA2JavaMap.put("IBM-1140", "Cp1140");
		fIANA2JavaMap.put("IBM-1141", "Cp1141");
		fIANA2JavaMap.put("IBM-1142", "Cp1142");
		fIANA2JavaMap.put("IBM-1143", "Cp1143");
		fIANA2JavaMap.put("IBM-1144", "Cp1144");
		fIANA2JavaMap.put("IBM-1145", "Cp1145");
		fIANA2JavaMap.put("IBM-1146", "Cp1146");
		fIANA2JavaMap.put("IBM-1147", "Cp1147");
		fIANA2JavaMap.put("IBM-1148", "Cp1148");
		fIANA2JavaMap.put("IBM-1149", "Cp1149");
		fIANA2JavaMap.put("IBM-819", "ISO8859_1");
		fIANA2JavaMap.put("IBM-367", "ASCII");

		// REVISIT:
		// j:CNS11643 -> EUC-TW?
		// ISO-2022-CN? ISO-2022-CN-EXT?

		// add Java to IANA encoding mappings
		// fJava2IANAMap.put("8859_1", "US-ASCII"); // ?
		fJava2IANAMap.put("ISO8859_1", "ISO-8859-1");
		fJava2IANAMap.put("ISO8859_2", "ISO-8859-2");
		fJava2IANAMap.put("ISO8859_3", "ISO-8859-3");
		fJava2IANAMap.put("ISO8859_4", "ISO-8859-4");
		fJava2IANAMap.put("ISO8859_5", "ISO-8859-5");
		fJava2IANAMap.put("ISO8859_6", "ISO-8859-6");
		fJava2IANAMap.put("ISO8859_7", "ISO-8859-7");
		fJava2IANAMap.put("ISO8859_8", "ISO-8859-8");
		fJava2IANAMap.put("ISO8859_9", "ISO-8859-9");
		fJava2IANAMap.put("ISO8859_13", "ISO-8859-13");
		fJava2IANAMap.put("ISO8859_15", "ISO-8859-15");
		fJava2IANAMap.put("ISO8859_15_FDIS", "ISO-8859-15");
		fJava2IANAMap.put("Big5", "BIG5");
		fJava2IANAMap.put("CP037", "EBCDIC-CP-US");
		fJava2IANAMap.put("CP273", "IBM273");
		fJava2IANAMap.put("CP277", "EBCDIC-CP-DK");
		fJava2IANAMap.put("CP278", "EBCDIC-CP-FI");
		fJava2IANAMap.put("CP280", "EBCDIC-CP-IT");
		fJava2IANAMap.put("CP284", "EBCDIC-CP-ES");
		fJava2IANAMap.put("CP285", "EBCDIC-CP-GB");
		fJava2IANAMap.put("CP290", "EBCDIC-JP-KANA");
		fJava2IANAMap.put("CP297", "EBCDIC-CP-FR");
		fJava2IANAMap.put("CP420", "EBCDIC-CP-AR1");
		fJava2IANAMap.put("CP424", "EBCDIC-CP-HE");
		fJava2IANAMap.put("CP437", "IBM437");
		fJava2IANAMap.put("CP500", "EBCDIC-CP-CH");
		fJava2IANAMap.put("CP775", "IBM775");
		fJava2IANAMap.put("CP850", "IBM850");
		fJava2IANAMap.put("CP852", "IBM852");
		fJava2IANAMap.put("CP855", "IBM855");
		fJava2IANAMap.put("CP857", "IBM857");
		fJava2IANAMap.put("CP858", "IBM00858");
		fJava2IANAMap.put("CP860", "IBM860");
		fJava2IANAMap.put("CP861", "IBM861");
		fJava2IANAMap.put("CP862", "IBM862");
		fJava2IANAMap.put("CP863", "IBM863");
		fJava2IANAMap.put("CP864", "IBM864");
		fJava2IANAMap.put("CP865", "IBM865");
		fJava2IANAMap.put("CP866", "IBM866");
		fJava2IANAMap.put("CP868", "IBM868");
		fJava2IANAMap.put("CP869", "IBM869");
		fJava2IANAMap.put("CP870", "EBCDIC-CP-ROECE");
		fJava2IANAMap.put("CP871", "EBCDIC-CP-IS");
		fJava2IANAMap.put("CP918", "EBCDIC-CP-AR2");
		fJava2IANAMap.put("CP924", "IBM00924");
		fJava2IANAMap.put("CP1026", "IBM1026");
		fJava2IANAMap.put("Cp01140", "IBM01140");
		fJava2IANAMap.put("Cp01141", "IBM01141");
		fJava2IANAMap.put("Cp01142", "IBM01142");
		fJava2IANAMap.put("Cp01143", "IBM01143");
		fJava2IANAMap.put("Cp01144", "IBM01144");
		fJava2IANAMap.put("Cp01145", "IBM01145");
		fJava2IANAMap.put("Cp01146", "IBM01146");
		fJava2IANAMap.put("Cp01147", "IBM01147");
		fJava2IANAMap.put("Cp01148", "IBM01148");
		fJava2IANAMap.put("Cp01149", "IBM01149");
		fJava2IANAMap.put("EUCJIS", "EUC-JP");
		fJava2IANAMap.put("KS_C_5601-1987", "KS_C_5601-1987");
		fJava2IANAMap.put("GB2312", "GB2312");
		fJava2IANAMap.put("ISO2022KR", "ISO-2022-KR");
		fJava2IANAMap.put("ISO2022CN", "ISO-2022-CN");
		fJava2IANAMap.put("JIS", "ISO-2022-JP");
		fJava2IANAMap.put("KOI8_R", "KOI8-R");
		fJava2IANAMap.put("KSC5601", "EUC-KR");
		fJava2IANAMap.put("GB18030", "GB18030");
		fJava2IANAMap.put("GBK", "GBK");
		fJava2IANAMap.put("SJIS", "SHIFT_JIS");
		fJava2IANAMap.put("MS932", "WINDOWS-31J");
		fJava2IANAMap.put("UTF8", "UTF-8");
		fJava2IANAMap.put("Unicode", "UTF-16");
		fJava2IANAMap.put("UnicodeBig", "UTF-16BE");
		fJava2IANAMap.put("UnicodeLittle", "UTF-16LE");
		fJava2IANAMap.put("JIS0201", "X0201");
		fJava2IANAMap.put("JIS0208", "X0208");
		fJava2IANAMap.put("JIS0212", "ISO-IR-159");

		// proposed addition (see above for details):
		fJava2IANAMap.put("CP1047", "IBM1047");

	} // <clinit>()

	//
	// Constructors
	//

	/** Default constructor. */
	public EncodingMap() {
	}

	//
	// Public static methods
	//

	/**
	 * Adds an IANA to Java encoding name mapping.
	 * 
	 * @param ianaEncoding
	 *            The IANA encoding name.
	 * @param javaEncoding
	 *            The Java encoding name.
	 */
	public static void putIANA2JavaMapping(String ianaEncoding,
			String javaEncoding) {
		fIANA2JavaMap.put(ianaEncoding, javaEncoding);
	} // putIANA2JavaMapping(String,String)

	/**
	 * Returns the Java encoding name for the specified IANA encoding name.
	 * 
	 * @param ianaEncoding
	 *            The IANA encoding name.
	 */
	public static String getIANA2JavaMapping(String ianaEncoding) {
		return (String) fIANA2JavaMap.get(ianaEncoding);
	} // getIANA2JavaMapping(String):String

	/**
	 * Removes an IANA to Java encoding name mapping.
	 * 
	 * @param ianaEncoding
	 *            The IANA encoding name.
	 */
	public static String removeIANA2JavaMapping(String ianaEncoding) {
		return (String) fIANA2JavaMap.remove(ianaEncoding);
	} // removeIANA2JavaMapping(String):String

	/**
	 * Adds a Java to IANA encoding name mapping.
	 * 
	 * @param javaEncoding
	 *            The Java encoding name.
	 * @param ianaEncoding
	 *            The IANA encoding name.
	 */
	public static void putJava2IANAMapping(String javaEncoding,
			String ianaEncoding) {
		fJava2IANAMap.put(javaEncoding, ianaEncoding);
	} // putJava2IANAMapping(String,String)

	/**
	 * Returns the IANA encoding name for the specified Java encoding name.
	 * 
	 * @param javaEncoding
	 *            The Java encoding name.
	 */
	public static String getJava2IANAMapping(String javaEncoding) {
		return (String) fJava2IANAMap.get(javaEncoding);
	} // getJava2IANAMapping(String):String

	/**
	 * Removes a Java to IANA encoding name mapping.
	 * 
	 * @param javaEncoding
	 *            The Java encoding name.
	 */
	public static String removeJava2IANAMapping(String javaEncoding) {
		return (String) fJava2IANAMap.remove(javaEncoding);
	} // removeJava2IANAMapping

} // class EncodingMap
